Question

name the device which can change smoke into ink​

Answer 1

These carbonised emissions, so extracted, are then turned into ink thatcan be used as paint or ink for printers. Their device, Chakr Shield, a retrofit emission control device for diesel generators, is the mainstay of their company, Chakr Innovations (CI), nowin the third year of its existence.

Answer 2

the pollutent which is essentially black carbon, ones campture is converted into ink and paint by the device